Improvement in car-axles



` as'required to strengthen the joint.

UNITED STATES wPATENT DFFICE.

WARREN H. HAYNES, OF NORTH SUDBURY, MASSACHUSETTS.

IMPROVEMENT IN CAR-AXLES.

Specification forming part of Letters Patent No. 1194,239, dated August 14, 1877; application led December 1, 1876.

T0 all whom it may concern Be it known that I, WARREN H. HAYNES, of North Sudburyin the county of Middlesex and State of Massachusetts, have invented certain new and useful Improvements in Railroad-Gar Axles; and I do hereby declarel that the following is a full, clear, and exact description thereof, which will enable others skilled in theart to which it appertains to make and use 'the saine, reference being had to the accompanying drawings, and to letters of reference marked thereon, which form a part of this specification. Y

Figure l is a perspective view. Fig. 2 is a longitudinal section. Fig. 3 is a transversev section, showing the fasteningpins extended through the sleeve, axle, and groove. Fig. 4 is a view ot the divided collar detached. Fig. 5 is a detached view of the head and neck of the section ot' the axle ,which holds the divided collar. Fig. 6 is an end view of the sleeve, showing the square part in the middle.

My invention relates to ear-axles in two sections, jointed in the middle to allow free independent action of each wheel, to avoid fric tion in turning curves; and the invention consists in the joint of the axle, constructed as hereinafter described.

A and B represent the sections of the can axle, jointed at or near the middle. On the inner part of section A is formed a neck, a, and head b, provided with a groove, c. This head may be made longer, and provided with two or more grooves to receive as many pins C is a divided collar, cbnstructed to t over the neck a, and is provided with a square part, d, and screwthreads at d1. The inner .part ot' section B of the axle is hollowed, and provided with screw-threads to lit over the screw-threads on the collarl C. D is a sleeve, the ends of which are constructed to f1t over the axle, and

a square part, d2, is formed inside, near the middle, to fit over the square part d of the collar to hold it in place. The sleeve is held in place by the double pins b inserted through holes in the sleeve, and through section B of the axle, and through the groove c, as shown in the drawings.

The number of the grooves and holding-pins in the sleeve and axle may be increased, as required, to render the joint entirely secure; and the fastening-pins may be secured in place by bending over the ends, as shown by dotted lines in Fig. 2, or in any other preferable Way.

What I claim as new, and desire to secure by Letters Patent in jointed car-axles, is-

1. The divided collar C, provided with screw threads, adjusted on the neck a, and held in place by shoulder a' and head b of section A, in combination with the hollowed end of section B, provided with screwthreads to tit over the screw-threads of the divided collar, substantially as and for the purposes described.

2. The sleeve D, having the square part d2, in combination with the jointed axle A B and the divided collar G, having the square part d, substantially as and for the purposes described.

3. The combination of section A, having neck a, shoulder a', and grooved head b, the section B, having screw-threads in the hollowed end,`divided collar O, having square part d and screwthreads at d1, sleeve D, having square part d2, and pins b', substantially as and for the purposes described.

In testimony that I claim the foregoing as my own invention I afx my signature in presence of two witnesses.

WARREN H. HAYNES.

Witnesses:

W. H. Fox, S. E. Fox. 

